Blake learned about tau when I interviewed him for Pi Day this year.

CNN: STORY HIGHLIGHTS

The Higgs boson news coincides not only with Einstein's birthday, but also with Pi Day, March 14.

CNN: Scientists more certain that particle is Higgs boson

At the Exploratorium in San Francisco, children will gather around what's described as a Pi Day shrine to sing Pi Day songs and perform Pi Day rites.

NPR: National Pi Day Celebrates Math

As another part of Pi Day, Ford engineers will be visiting Detroit students at the Henry Ford Academy and Henry Ford Academy: School for Creative Studies talk about how they used math to design the new Ford Fusion.

FORBES: Ford Is Celebrating Pi Day By Giving Away Free Math